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Since you're removing a working capability, you should be the one to
prove it is unneeded.<br>
<br>
But the simple example is the case where the input is also locked.<br>
<br>
<br>
<div class="moz-cite-prefix">On 7/5/2015 9:17 AM, Mark Friedenbach
wrote:<br>
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cite="mid:CAOG=w-sgM+H0bGBfZxLhbUHF3y=v4vdBAOTDsZ1LEc3dLzsf6g@mail.gmail.com"
type="cite">
<p dir="ltr">Can you construct an example? Are there use cases
where there is a need for an enforced lock time in a transaction
with inputs that are not confirmed at the time the lock time
expires?</p>
<div class="gmail_quote">On Jul 5, 2015 8:00 AM, "Tom Harding"
<<a moz-do-not-send="true" href="mailto:tomh@thinlink.com">tomh@thinlink.com</a>>
wrote:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">BIP 68 uses
nSequence to specify relative locktime, but nSequence also<br>
continues to condition the transaction-level locktime.<br>
<br>
This dual effect will prevent a transaction from having an
effective<br>
nLocktime without also requiring at least one of its inputs to
be mined<br>
at least one block (or one second) ahead of its parent.<br>
<br>
The fix is to shift the semantics so that nSequence = MAX_INT
- 1<br>
specifies 0 relative locktime, rather than 1. This change
will also<br>
preserve the semantics of transactions that have already been
created<br>
with the specific nSequence value MAX_INT - 1 (for example all<br>
transactions created by the bitcoin core wallet starting in
0.11).<br>
<br>
<br>
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